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2-甲基咪唑-4,5-二羧酸镍配合物的合成及其晶体结构 被引量:1

Synthesis and crystal structure of nickel(Ⅱ) complex of 2-methyl-1H-imidazole-4,5-dicarboxylate
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摘要 以配体2-甲基咪唑-4,5-二羧酸与氯化镍反应,合成出了一个新的配合物[Ni(HMIDC-)]2(H2O)2]n;采用单晶X射线衍射方法测定了配合物的晶体结构。结果表明,所合成的配合物属正交晶系,pbca空间群,晶胞参数a=0.683 74 nm,b=1.388 13 nm,c=1.655 19 nm,V=1 570.97 nm3,Z=4,Dc=1.831 g/cm3,F(000)=1 000.0,GOF=1.304。镍原子与两个不同配体H2MIDC中的咪唑上的氮原子、羧基氧原子以及水分子配位,且形成了六配位八面体构型。配合物由分子间氢键构筑成了三维超分子氢键网络结构。 A novel complex of [Ni(HMIDC-)2(H2O)2]n was synthesized based on ligand 2-methyl-1H-imidazole-4,5-dicarboxylic acid and nickel chloride,and characterized by elemental analysis and single crystal X-ray diffraction.The title complex crystallizes in monoclinic with space group pbca,a=0.683 74 nm,b=1.388 13 nm,c=1.655 19 nm,V=1 570.97 nm3,Z =4,Dc=1.831 g/cm3,F(000)=1 000.0,GOF=1.304.Two N,O-bidentate H2MIDC-ligand and two water molecules are coordinated to nickel(II) atom.The nickel atom displays an octahedral coordination geometry.The 3D supramolecular hydrogen bonding network structure is constructed via the intermolecular hydrogen bond interactions.
出处 《应用化工》 CAS CSCD 2010年第11期1732-1734,1742,共4页 Applied Chemical Industry
基金 江西农业大学自然科学研究基金青年项目(2964)
关键词 2-甲基咪唑-4 5-二羧酸 镍配合物 合成 晶体结构 2-methyl-1H-imidazole-4 5-dicarboxylate nickel complex synthesis crystal structure
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